If the sum of the roots of the equation ax2 + bx + c=0 is
equal to the sum of the squares of their reciprocals then
a/c, b/a, c/b are in

(a) AP
(b) GP
(c) HP
(d) None of these

Answer Posted / cryolife

Then a/c, b/a, c/b are in HP.

Ans is (c).

Is This Answer Correct ?    17 Yes 2 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

What are oesophageal molecular markers?

1684


What is a homologue?

1783


How to Insert Genomic DNA into yeast ?

1538


What is the idea behind ?weighting? sequences in the package CLUSTAL W for multiple alignment? How are these weights calculated?

1548


What is the product of the irrational roots of the equation (2x-1)(2x-3)(2x-5)(2x-7)=9?

2375






Will the plant able to produce electricity when the soil is dried up

1208


Describe the aim of microarray data analysis?

1979


What are the limitations of blotting techniques?

588


What two possibilities are there to describe how gene fragments may have evolved?

1738


Bootstrap analysis evaluates evolutionary trees by sampling columns from the original alignment with replacement (multiplying or removing some of them) and computing a proportion of times that a particular branch appears in the resulting trees. What is the main idea behind this approach?

1706


What are the current challenges in the Pharmaceutical and biotechnology sectors?

1755


Explain about the mass number of nuclear?

589


Suppose the Blast search returned 100 hits. Of these, 17 were false positives and we knew that there were 165 sequences in the database which should have returned a hit with our sequence. How many false negatives were there, and what is the sensitivity and selectivity of Blast in this instance?

1857


What is the input and outpit of a distance based algorithm?

1816


what is the principle involved in Biometry?

1738